Antenna system and method for making the same

Details Antenna system and method for making the same Antenna system and method for making the same

2011-05-03

2011-05-03

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

C343S852000, C343S876000

Reexamination Certificate

active

07936315

ABSTRACT:
An antenna system adapted for a communication device has a common antenna with a predetermined length, an AM matching circuit matching with the common antenna and an FM matching circuit matching with the common antenna. A switch alternatively electrically connects the common antenna to the AM matching circuit and the FM matching circuit for achieving the AM function and FM function.

REFERENCES:
patent: 3243708 (1966-03-01), Manson
patent: 5634203 (1997-05-01), Ghaem
patent: 6208847 (2001-03-01), Kosuga
patent: 7340274 (2008-03-01), Harano

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